Power is applied from the 360 VRMS, 60 Hz, to a 80 ohm light bulb by an SCR, controlled with a phase angle firing circuit. Calculate the power that the light bulb dissipates if the SCR is fired at every zero crossing. Answer in W. Calculate the power that the SCR dissipates if it is fired at every zero crossing (VSCR on = 1.5 V). Answer in W. If the firing angle is 130o, when must the trigger's LED be grounded? Answer in ms. Determine the VRMS delivered to the load given a firing angle of 130°. Use the equation. Answer in V.

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

At the negative terminal of the battery the electron has electric potential energy. what happens to this energy as the electron jumps from the negative to the positive terminal?

Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative